Pith Number

pith:BI3BU4U7

pith:2016:BI3BU4U7OWKEU3GKPXBKN57JSJ

not attested not anchored not stored refs pending

The derived category of a non generic cubic fourfold containing a plane

Riccardo Moschetti

arxiv:1607.06392 v2 · 2016-07-21 · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BI3BU4U7OWKEU3GKPXBKN57JSJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:42:35.188040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a361a729f75944a6cca7dc2a6f7e9927530219e30273afd818cb858aa06d0fd

Aliases

arxiv: 1607.06392 · arxiv_version: 1607.06392v2 · doi: 10.48550/arxiv.1607.06392 · pith_short_12: BI3BU4U7OWKE · pith_short_16: BI3BU4U7OWKEU3GK · pith_short_8: BI3BU4U7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BI3BU4U7OWKEU3GKPXBKN57JSJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0a361a729f75944a6cca7dc2a6f7e9927530219e30273afd818cb858aa06d0fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "096b8c6b580efad9f2b552e4ce750e41050005fd76e8e438de6a47d1fb3af969",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-07-21T17:01:26Z",
    "title_canon_sha256": "4b28474b8bc42caec943523d4964f6d7da639404c1df2585c778f2d5c55c13f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06392",
    "kind": "arxiv",
    "version": 2
  }
}